Apple has their sights set high and if their business plans are accurate, we can expect to see the company producing 40 million iPhones next year. And while some analysts think this number is appropriate to keep up with global demand, others aren't so optimistic.

According to BusinessWeek:

Many analysts expect Apple (AAPL) to sell around 11 million iPhone 3Gs in 2008 and another 25 million in 2009. But perhaps the most optimistic forecast is from Piper Jaffray (PJC) analyst Gene Munster, who expects the company to sell 13 million this year and 45 million next year.

This is interesting because much of these higher sales figures depend on Apple's ability to quickly solve some of the device's problems such as the 3G connection issues. Even so, it is safe to say, sales will be big regardless, now that the iPhone will be available across the world.

[via BusinessWeek]